/*************************************************************************
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
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 *  Copyright: 2008 by IBM Corporation
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 ************************************************************************/
/*************************************************************************
 * @file 
 * Font object to serial to xml filter.
 ************************************************************************/
/*************************************************************************
 * Change History
 * 2004-12-23 create this file.
 ************************************************************************/
#include	"xfstylecont.hxx"
#include	"ixfstyle.hxx"
#include	"xffont.hxx"
#include	"xftextstyle.hxx"
#include	"xfparastyle.hxx"
#include	"xffontfactory.hxx"
#include "../lwpglobalmgr.hxx"

XFStyleContainer::XFStyleContainer(const rtl::OUString& strStyleNamePrefix)
	:m_strStyleNamePrefix(strStyleNamePrefix)
{
}

XFStyleContainer::XFStyleContainer(const XFStyleContainer& other)
	:m_strStyleNamePrefix(other.m_strStyleNamePrefix)
{
	this->m_aStyles = other.m_aStyles;
}

XFStyleContainer& XFStyleContainer::operator=(const XFStyleContainer& other)
{
	this->m_strStyleNamePrefix = other.m_strStyleNamePrefix;
	this->m_aStyles = other.m_aStyles;
	return *this;
}

XFStyleContainer::~XFStyleContainer()
{
	std::vector<IXFStyle*>::iterator it;
	for( it = m_aStyles.begin(); it != m_aStyles.end(); it++ )
	{
		IXFStyle *pStyle = *it;
		if( pStyle )
			delete pStyle;
	}
}


void	XFStyleContainer::Reset()
{
	std::vector<IXFStyle*>::iterator it;
	
	for( it = m_aStyles.begin(); it != m_aStyles.end(); it++ )
	{
		IXFStyle *pStyle = *it;
		if( pStyle )
			delete pStyle;
	}
	m_aStyles.clear();
}

IXFStyle*	XFStyleContainer::AddStyle(IXFStyle *pStyle)
{
	IXFStyle	*pConStyle = NULL;
	rtl::OUString	name;	
	
	if( !pStyle )
		return NULL;	
	//no matter we want to delete the style or not,XFFont obejct should be saved first.
	ManageStyleFont(pStyle);

	if( pStyle->GetStyleName().getLength()==0 )
		pConStyle = FindSameStyle(pStyle);

	if( pConStyle )//such a style has exist:
	{
		delete pStyle;		
		return pConStyle;
	}
	else
	{
		if( pStyle->GetStyleName().getLength() == 0 )
		{
			name = m_strStyleNamePrefix + Int32ToOUString(m_aStyles.size()+1);
			pStyle->SetStyleName(name);
		}
		else
		{
			name = pStyle->GetStyleName();
			//for name conflict
			if(FindStyle( name))
			{
				name = name + Int32ToOUString(m_aStyles.size()+1);
				pStyle->SetStyleName(name);
			}
		}
			
		
		m_aStyles.push_back(pStyle);	
		//transform the font object to XFFontFactory
		
		return pStyle;
	}	
}

IXFStyle*	XFStyleContainer::FindSameStyle(IXFStyle *pStyle)
{
	std::vector<IXFStyle*>::iterator it;
	for( it = m_aStyles.begin(); it != m_aStyles.end(); it++ )
	{
		IXFStyle *pConStyle = *it;
		if( !pConStyle )
			continue;

		if( pConStyle->Equal(pStyle) )
			return pConStyle;
	}
	
	return NULL;
}

IXFStyle*	XFStyleContainer::FindStyle(rtl::OUString name)
{
	std::vector<IXFStyle*>::iterator it;
	for( it = m_aStyles.begin(); it != m_aStyles.end(); it++ )
	{
		IXFStyle *pConStyle = *it;
		if( !pConStyle )
			continue;
		
		if( pConStyle->GetStyleName() == name )
			return pConStyle;
	}
	
	return NULL;
}

IXFStyle*	XFStyleContainer::Item(int index)
{
	assert(index>=0&&index<m_aStyles.size());
	if( index >=0 && index < m_aStyles.size() )
	{
		return m_aStyles[index];
	}
	return NULL;
}

void	XFStyleContainer::ToXml(IXFStream *pStrm)
{
	std::vector<IXFStyle*>::iterator it;

	for( it = m_aStyles.begin(); it != m_aStyles.end(); it++ )
	{
		IXFStyle *pStyle = *it;
		
		assert(pStyle);
		if( !pStyle )
			continue;
		
		pStyle->ToXml(pStrm);
	}
}


void	XFStyleContainer::ManageStyleFont(IXFStyle *pStyle)
{
	XFFont *pStyleFont = NULL;
	XFFont *pFactoryFont = NULL;
	
	if( !pStyle )
		return;
	
	if( pStyle->GetStyleFamily() == enumXFStyleText )
	{
		XFTextStyle	*pTS = (XFTextStyle*)pStyle;
		pStyleFont = pTS->GetFont();
		if( !pStyleFont )
			return;
		LwpGlobalMgr* pGlobal = LwpGlobalMgr::GetInstance();
		XFFontFactory* pFontFactory = pGlobal->GetXFFontFactory();
		pFactoryFont = pFontFactory->FindSameFont(pStyleFont);
		//this font has been exists in the factory:
		if( pFactoryFont )
		{
			pTS->SetFont(pFactoryFont);
			if( pStyleFont != pFactoryFont )
				delete pStyleFont;
		}
		else
		{
			pFontFactory->AddFont(pStyleFont);
		}
	}
	else if( pStyle->GetStyleFamily() == enumXFStylePara )
	{
		XFParaStyle	*pPS = (XFParaStyle*)pStyle;
		pStyleFont = pPS->GetFont();
		if( !pStyleFont )
			return;
		LwpGlobalMgr* pGlobal = LwpGlobalMgr::GetInstance();
		XFFontFactory* pFontFactory = pGlobal->GetXFFontFactory();
		pFactoryFont = pFontFactory->FindSameFont(pStyleFont);
		//this font has been exists in the factory:
		if( pFactoryFont )
		{
			pPS->SetFont(pFactoryFont);
			if( pFactoryFont != pStyleFont )
				delete pStyleFont;
		}
		else
		{
			pFontFactory->AddFont(pStyleFont);
		}
	}	
}

bool operator==(XFStyleContainer& b1, XFStyleContainer& b2)
{
	if( b1.m_strStyleNamePrefix != b2.m_strStyleNamePrefix )
		return false;
	if( b1.m_aStyles.size() != b2.m_aStyles.size() )
		return false;
	for( int i=0; i<b1.m_aStyles.size(); i++ )
	{
		IXFStyle *pS1 = b1.m_aStyles[i];
		IXFStyle *pS2 = b2.m_aStyles[i];

		if( pS1 )
		{
			if( !pS2 )
				return false;
			if( !pS1->Equal(pS2) )
				return false;
		}
		else
		{
			if( pS2 )
				return false;
		}
	}
	return true;
}

bool operator!=(XFStyleContainer& b1, XFStyleContainer& b2)
{
	return !(b1==b2);
}
